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(No Model.)

J. Z. PORME'L. APPARATUS FDR GARBONATING PERMENTED BEVERAGES. No.561,879. Patented June 9, 1896.

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UNITED STATES PATENT rrrcn,

JULIUS Z. FORMEL, OF SARATOGA SPRINGS, NEW YORK, ASSIG-NOR TO THECHAMPION NATURAL CARBONIG ACID GAS COMPANY, OF SAlrlE PLACE.

APPARATUS FOR CARBONATING FERMENTED BEVERAGES.

SPECIFICATION forming part of Letters Patent No. 561,879, dated June 9,1896.

Application filed August 21, 1895. Serial No. 559,982. (No model.)

To all whom may concern:

Be it known that I, JULIUS Z. FosMEL, a citizen or the United States,residing at Saratoga Springs, in the county of Saratoga and State of NewYork, have invented certain new and useful Improvements in Apparatus forCarbonating Fermented Beverages, of which the following is aspecification.

This invention has reference to an improved apparatus for carbonatiugbeer and other fermented beverages, so as to dispense with the so-calledhraeusen process and obviate the reintroduction of yeast-cells into saidbeverages; and the invention consists of an apparatus for chargingfermented liquids with carbonic-acid gas, which comprises a receiver forthe carbonic-acid gas, a primary mixing-tank connected with the receiverand storage-cask for producing the primary mixing of the liqnid and gas,a carbonating-tank in which the liquid is intimately mixed withcarbonic-acid gas by being minutely distributed within the same andbrought in contact with the gas, supply-pipes for the gas and liquid,and a floattank connected with the carbonating tank and with the valvesof said gas and liquid supply pipes, so as to interrupt or establishautomatically the supply ofgas and liquid to the carbonating-tank as thelevel of the liquid in the same rises and falls, and means forconducting tho carbonated liquid to the shipping- ];eg.

The accompanying drawing represents a side elevation, partly in verticallongitudinal section, of my improved apparatus for carbonating fermentedliquids.

In the drawing, A represents the receiver for the carbonic-acid gasunder pressure. The receiver A is connected by means of apipe a with asuitable battery of cylinders B, containin g liquefied carbonic acid,the pipe abein g provided with a pressure-reducing valve a, so that thecarbonic acid is expanded to the required pressure into the receiver A.The receiver A is provided with another pressurereducing val ve a? andpressure-gage a so that the gas can be supplied at any desired pres sureinto the carbonating apparatus. The

gassupply pipe A connects the supply-tank A with a primary hurling-tankU and a carbouatin g-tanl: D. From the gas-supply pipe A extends avalved branch pipe c, having a small discharge-nozzle c into theliquid-supply pipe E, which connects the storage-cask S with the primarymixing-tank O. The upper part of the primary mixing-tank G is connectedby a pipe (Z with the carbonating-tanlc D. Valved branch gas-supplypipes a a extend from the main supplypipe A respectively into theprimary mixing-tank O and carbonating-tank D ,the nozzles of said branchpipes c and a coming in connection with the liquid-supply pipes E and din the nature of injectors, the nozzles of said branch pipes c and abeing placed in line with the axis of the liquid-supply pipes E and (Z.The liquid is thereby first forced into the primary mixing-tank C andthere kept in agitation by the supply of gas by the branch pipe a whilethe main supply-pipe A supplies the carbon atingtank D directly with gasof the required pressure, so as to permit the starting of thecarbonating operation. After this is done the valve near the end of themain su pply-pipe A is closed off.

The carbonating-tank D is made of a closed cylinder, which is providedat its upper part with a perforated annular trough or funnel D, to whichthe liquid is supplied from the primary mixing-tank O by the pipe (Iand.

branch pipe (1, it being impelled by the gas supplied by the branch pipeor. The funnel D is surrounded by a ring-shaped flange (1 applied to itsouter edge, so as to prevent the running over of the funnel D andprevent the spattering of the liquid. The funnel D is provided at itslower edge with short legs (1 by which it rests on the uppermostringshaped tube 9 of a series of similar tubes 9 g, which are arrangedvertically below the funnel and vertically below each other in thecarbon ating-tank D. The ring-shaped tubes 9 g are each provided attheir lowermost portions with a serrated drip-plate 9 of sheet metal, sothat the liquid which passes over the same is transmitted in drops ontothe next tube g, and so on over all the tubes of the series.

As the liquid is thus conducted in a minutely-divided state through theatmosphere of carbonic-acid gas in the tank D the gas is incorporatedwith the same, the carbonated liquid being" drawn off through thedischargepipe E, forced through afilter'ER, and finally racked off intothe shipping barrels out kegs; Any suitable racking-off faucet can beused The carbonating-tank D is provided with a gage g, which indicatesthe level of the liquid in the tank 1). The discharge-pipe E is alsoconnected with the bottom of a float-tank H, the float H of which movesup and down in the tank H and operates a rod H provided with pins h thatengage the forked ends of 1ever-arms h on the spindles of stop-cocks h715, which are located, respectively, in the gas and liquid supply pipesA and E. hen, therefore, the level of the liquid in the earbonating tankD rises to a certain level, preferably up to the lowermost ring-shapedtube g of the series 9 g, the float H is raised to such an extent thatthe stop-cocks 7v 7L5 are closed by the action of the pins h on thelever-armsh whereby the operation of the apparatus is automaticallyinterrupted.- As soon as the level in the earbonat-ing-tank falls thefloat is lowered, the supply-valves opened, and the operation of theapparatus continued by the supply of liquid and gas to thecarbonatingtank.

The advantages of my improved apparatus are that by the primary andsecondary mixing of the gas with the liquid a very effectiveimpregnation of the liquid with the carbonicacid gas is obtained, sothat the carbonated liquid can be racked off directly into the shippingbarrels or kegs, the liquid contain ing a comparatively large quantityof carbonic acid gas Without requiring to pass through the secondfermentation produced by the so-called kraeusen process, so that thewell-known objectionable features of this latter process are obviatedand a fermented liquid of better quality and greater life is supplied.

Having thus described my invention, I claim as new and desire to secureby Letters Patent asset forth;

1.- An apparatus for carbonating fermented liquids, which comprises agasreceiver, a primary mixing-tank, a carbonating-tank, a gas-supplypipe connecting the receiver with the mixing and carbonating tanks, aliquidsupply pipe for the mixing-tank, a valved branch pipe connectingthe gas-supply pipe with the liquid-supply pipe, a pipe connecting themixing-tank with the upper part of the earbonating-tank, valved branchpipes leading from the gas-supply pipe respectively into the mixing-tankand the supply-pipe, means located at the interior of thecarbonating-tank for impregnating the liquid with the gas, and adischarge-pipe leading from the bottom of the carbonating-tank to theracking-off faucet, substantially as set forth.

2. An apparatus for carbonating fermented liquids, which comprises areceiver for the carbonic-acid gas, a primary mixing-tank, acarbonating-tank, a main supply-pipe connecting the receiver with themixin g and carbonating tanks, valved branchpipes leadin from thegas-supply pipe into the liquid-sup ply pipe, mixing-tank andcarbonating-tank, a pipe connecting the receiver with the upper part ofthe carbonating-tank, a dischargepipe at the bottom of thecarbonating-tank, a float-tank connected with the dischargepipe, a floatin said tank and means connecting the rod of the float with thestop-cocks in the gas and liquid supply pipes, so as to interrupt theoperation of the apparatus when the carbonated liquid arrives at acertain level in the carbonating-tank, substantially In testimony that Iclaim the foregoing as my invention I have signed my name in presence oftwo subscribing witnesses.

JULIUS Z. FORMEL. \Vitnesses:

PAUL GOEPEL, GEORGE W. JAEKEL.

